diff --git a/host/Makefile b/host/Makefile
index 4d7d3cb..6a34b88 100644
--- a/host/Makefile
+++ b/host/Makefile
@@ -17,7 +17,7 @@ all:	shared
 #unix build doesn't need winlib directory as libusb should be installed on OS.
 #sudo apt-get install libusb-1.0-0-dev
 unix:	shared
-	$(CC) $(INCLUDE) $(SOURCES) -o $(TARGET) $(CFLAGS) $(LIBUSB)
+	$(CC) $(INCLUDE) $(SOURCES) -o $(TARGET) $(CFLAGS) -lm $(LIBUSB)
 
 # "make debug" will build program with debug print messages
 # -DDEBUG show debug logs
diff --git a/host/source/inlprog.c b/host/source/inlprog.c
index 2803816..c84f263 100644
--- a/host/source/inlprog.c
+++ b/host/source/inlprog.c
@@ -24,9 +24,9 @@
 #include "shared_enums.h"
 
 //lua libraries
-#include "lua\lua.h"
-#include "lua\lauxlib.h"
-#include "lua\lualib.h"
+#include "lua/lua.h"
+#include "lua/lauxlib.h"
+#include "lua/lualib.h"
 
 void error (lua_State *L, const char *fmt, ...) {
 	va_list argp;